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Finding the Fourth Proportional to 445,888.76, 615,324.84 and 264,749.58

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Solution

The fourth proportional to 445,888.76, 615,324.84 and 264,749.58 is: 365,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,888.76 : 615,324.84 = 264,749.58 : x
  2. Step 2: Convert to fraction form
    445,888.76/615,324.84 = 264,749.58/x
  3. Step 3: Cross multiply
    445,888.76x = 615,324.84 × 264,749.58
  4. Step 4: Simplify right side
    445,888.76x = 162,906,992,953.57
  5. Step 5: Solve for x
    x = 162,906,992,953.57/445,888.76
  6. Step 6: Final answer
    x = 365,353.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.